LoadSkin (3ds max)

// Load skin
for(gtaRwInt32 j = 0; j < clump.frameList.frameCount; j++)
{
    if(clump.frameList.frames[j].Extension.hAnim.enabled && clump.frameList.frames[j].Extension.hAnim.numNodes > 0)
    {
        gtaRwFrameHAnim &anim = clump.frameList.frames[j].Extension.hAnim;
        for(gtaRwInt32 i = 0; i < clump.geometryList.geometryCount; i++)
        {
            gtaRwGeometry &geom = clump.geometryList.geometries[i];
            if(geom.Extension.skin.enabled)
            {
                Modifier *skin = (Modifier *)gi->CreateInstance(SClass_ID(OSM_CLASS_ID), SKIN_CLASSID);
                ISkinImportData *skinImportData = (ISkinImportData *)skin->GetInterface(I_SKINIMPORTDATA);
                GetCOREInterface7()->AddModifier(*objects[i].frame, *skin);
                objects[i].frame->EvalWorldState(0);
                if(geom.Extension.skin.numBoneIds == 0)
                    geom.Extension.skin.FindUsedBoneIds(geom.numVertices, geom.Extension.skin.numBones);
                for(gtaRwInt32 bone = 0; bone < geom.Extension.skin.numBoneIds; bone++)
                {
                    for(gtaRwInt32 frame = 0; frame < clump.frameList.frameCount; frame++)
                    {
                        if(clump.frameList.frames[frame].Extension.hAnim.enabled &&
                            clump.frameList.frames[frame].Extension.hAnim.id == anim.nodes[geom.Extension.skin.boneIds[bone]].nodeID)
                        {
                            skinImportData->AddBoneEx(nodes[frame], true);
                            break;
                        }
                    }
                }
                objects[i].frame->EvalWorldState(gi->GetTime());
                Tab<INode*> bones;
                Tab<gtaRwReal> weights;
                bones.SetCount(4, TRUE);
                weights.SetCount(4, TRUE);
                for(gtaRwInt32 vertex = 0; vertex < geom.numVertices; vertex++)
                {
                    for(gtaRwInt32 n = 0; n < 4; n++)
                    {
                        bones[n] = NULL;
                        if(geom.Extension.skin.vertexBoneWeights[vertex].aw[n] != 0.0f)
                        {
                            for(gtaRwInt32 frame = 0; frame < clump.frameList.frameCount; frame++)
                            {
                                if(clump.frameList.frames[frame].Extension.hAnim.enabled &&
                                    clump.frameList.frames[frame].Extension.hAnim.id ==
                                    anim.nodes[geom.Extension.skin.vertexBoneIndices[vertex].ai[n]].nodeID)
                                {
                                    bones[n] = nodes[frame];
                                    break;
                                }
                            }
                        }
                        weights[n] = geom.Extension.skin.vertexBoneWeights[vertex].aw[n];
                    }
                    skinImportData->AddWeights(objects[i].frame, vertex, bones, weights);
                }
            }
        }
        break;
    }
}